Dolce & Gabbana went jogging in a track oval. They started from the starting line at the same time. It takes Dolce 5 minutes to complete 1 lap, while Gabbana completes 1 lap in 4 minutes. They both stop after one and a half hour. How many times did they cross the starting line together?

Dolce & Gabbana went jogging in a track oval. They started from the starting line at the same time. It takes Dolce 5 minutes to complete 1 lap, while Gabbana completes 1 lap in 4 minutes. They both stop after one and a half hour. How many times did they cross the starting line together?

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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19. Dolce & Gabbana went jogging in a track oval. They started from the starting line at the same time. It takes Dolce 5 minutes to complete 1 lap, while Gabbana completes 1 lap in 4 minutes. They both stop after one and a half hour. How many times did they cross the starting line together?

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